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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MT

Mark S. Tamura — 5 Patents

Amazon: 5 patents #3,285 of 19,158Top 20%
Sunnyvale, CA: #4,829 of 14,302 inventorsTop 35%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Mark S. Tamura has been granted 5 US patents while listed as an inventor at Amazon. The first was granted in 2015 and the most recent in April 2025. Mark S. Tamura ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Mark S. Tamura in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 2015 to 2025Bar chart with a peak of 1 patents in 2015.peak 12015: 1 patents20152016: 1 patents20162017: 1 patents20172022: 1 patents20222025: 1 patents2025

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12282642 Facilitating selection of keys related to a selected key Maxim Spivak, Dion Isselhardt 2025-04-22
11327649 Facilitating selection of keys related to a selected key Maxim Spivak, Dion Isselhardt 2022-05-10 $228,111,000
9557823 Keyboard customization according to finger positions 2017-01-31 $54,327,000
9269310 Progressive display updates Arnaud Marie Froment 2016-02-23 $48,935,000
8959430 Facilitating selection of keys related to a selected key Maxim Spivak, Dion Isselhardt 2015-02-17 $83,163,000